APA-referens (7:e uppl.)

Hassan, F. M. A. (1998). Revenue-productive income tax structures and tax reforms in emerging market economies: Evidence from Bulgaria. Poverty Reduction & Economic Management Sector.

Chicago-referens (17:e uppl.)

Hassan, Fareed M. A. Revenue-productive Income Tax Structures and Tax Reforms in Emerging Market Economies: Evidence from Bulgaria. Washington, D.C: Poverty Reduction & Economic Management Sector, 1998.

MLA-referens (9:e uppl.)

Hassan, Fareed M. A. Revenue-productive Income Tax Structures and Tax Reforms in Emerging Market Economies: Evidence from Bulgaria. Poverty Reduction & Economic Management Sector, 1998.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.